The HELIX WF20B wire feeders for TIG welding applications are designed to withstand rugged use in harsh environments. These reliable feeders use a precision wire feed motor to ensure correct wire feed speed throughout the weld. Their intuitive designs allow the user to install new wire spools in under a minute with no tools required. Paired with the C series of weld heads, these off board wire feeders are easy to set up and use in the shop or field.